Resume

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IT

  • Relational databases (Access, SQL)

Languages

2020-2023 - PhD - ED497 nBISE - Laboratory of biology of organisms and aquatic ecosystems (BOREA) MNHN, CNRS 8067, SU, IRD 207, UCN, UA, Caen

Marine Ecosystem Engineers’ Long-Term Evolution ModellING in resPOnse to climate change and sediment Transport in Seine Estuary (MELTING POTES). Director: Francis Orvain

  • Optimal Ecological Niche models (SDM-NEO) based on quantile regression and the MARS3D hydro-morpho-sedimentary model developed by IFREMER.

  • Sediment erosion modelling including benthic fauna bioturbation, monospecific and multispecific, based on species metabolic rate.

2019-2020 - MSc Ocean Sciences, Coastal Living Resources Exploitation – Caen University

  • Coastal ecosystems and food webs, Coastal areas: Knowledge and sustainable management

  • Physiology of marine organisms, Exploitation of fish, shellfish, and algal species

2018-19 - BSc Professions of environmental protection & management Ecological restoration & sustainable development - Caen University of Technology

  • Natural habitats rehabilitation: Marine ecosystems management, Impact study, Ecological restoration, GIS; Habitats analysis; Sustainable Development and Environmental Management.

  • Tutored project: Primary production analysis of microphytobenthos on the Orne estuary foreshore and spectral data acquired by GIS.

2004 - Engineer degree – Rouen National Institute of Applied Sciences (INSA)

  • Fine Chemistry and Engineering Department – specialisation in Materials and Polymers

2024-25 (15months) - Post-Doc – fixed-term contract – Caen University

EValuation of the ecological functioning of lateral mudflats upstream of Tancarville to guide new ecological restoration projects through a comparative approach to the functional biodiversity of benthic communities (EVEREST).

2023-24 (3months) - Researcher Engineer – fixed-term contract – Caen University

Marine Ecosystem Engineers’ Long-Term Evolution ModellING in resPOnse to climate change and sediment Transport in Seine Estuary (MELTING POTES).

2020-23 (3 years) - PhD Researcher – Caen University

Marine Ecosystem Engineers’ Long-Term Evolution ModellING in resPOnse to climate change and sediment Transport in Seine Estuary (MELTING POTES).

2020-2022 (46h) - Contractual teaching IUT Grand Ouest Normandie Caen campus 2

2021-22 - L3: Tutored project

2020-21 - L2: Applied computer data analysis, Environmental analysis; L3: Marine ecosystem management & marine biology, Tutored project

2020 (9 months) – Research engineer – internship and fixed-term contract – Laboratory of biology of aquatic organisms and ecosystems (BOREA) MNHN, CNRS 8067, SU, IRD 207, UCN, UA, Caen

Prediction of the distribution of macrozoobenthic species in the Seine estuary in response to hydro-morpho-sedimentary changes: first applications on the population of cockles, Cerastoderma edule. Definition of optimal ecological niches by quantile regression.

2019 (6 months) – Benthic technician – internship – GEMEL-Normandie – Luc sur Mer

Evaluation of a stock of bivalves and associated fauna following a scientific reserve creation on the west coast of Cotentin.

Publications

  • Lehuen A. and Orvain F. (2024) A cockle-induced bioturbation model and its impact on sediment erodibility: A meta-analysis, Science of The Total Environment, 912, p. 168936. https://doi.org/10.1016/j.scitotenv.2023.168936.

  • Lehuen A., Oulhen R.M., Zhou Z., de Smit J., Cozzoli F., Bouma T., Orvain F. (2024) Multispecies macrozoobenthic seasonal bioturbation effect on sediment erodibility. https://doi.org/10.1016/j.seares.2024.102525.

  • Lehuen A., Dancie C., Grasso F., Smolders S., Cozzoli F. , Orvain F.. (2025) A novel quantile regression approach to define optimal ecological niche: a case study on habitat suitability of cockle populations (Cerastoderma edule), Peer Community In Ecology. https://normandie-univ.hal.science/hal-04438267.

Posters

August 2022 - Nereis park – Logonna-Daoulas, France

  • Lehuen, A., Dancie, C., Grasso, F., et al., 2022. A modelling approach for predicting species distribution in Seine estuary by applying an Optimal Ecological Niche model: First application to Cerastoderma edule population.

  • Lehuen, A. et Orvain, F., 2022. Bioturbation model of Cerastoderma edule based on metabolic activity and sediment composition: a meta-analysis.

  • Lehuen, A. et Orvain, F., 2022. MELTING POTES Marine Ecosystem Engineers’ Long-Term Evolution: A ModellING study of benthic faunal activity and distribution in resPOnse to climate change and sediment Transport in Seine Estuary.

September 2022 - ECSA 59 – San Sebastian, Spain

  • Lehuen, A., Dancie, C., Grasso, F., et al., 2022. A modelling approach for predicting species distribution in Seine estuary by applying an Optimal Ecological Niche model: First application to Cerastoderma edule population.

Expertise

Mai 2023 (4 days) – Mai 2025 (5 days) – Co-organization Workshops NEO & NEO2– ILICO - CREC

  • Study of “Optimal Ecological Niche” species distribution models and inter-SNO (Systèmes National d’Observation) taxonomic and functional distribution: Coupling of hydro-biological data (low-frequency SOMLIT and high-frequency COASTHF) with planktonic (PHYTOBS) and benthic (BENTHOS) species distribution data in coastal ecosystems of mainland France. 15 attendees.

2023 (ongoing) Member of CYBER-COAST group – Future Earth Coasts (FEC) International working group on the resilience of ecosystems in the face of global change, from the perspective of cybernetics and eco-energetics.

2024-25 Member of Conseil Scientifique de l’Estuaire de la Seine (CSES) – DREAL Normandie The Council issues opinions on development programmes, works or management measures likely to have an impact on the functioning of estuarine ecosystems.

2021-25 Association Treasurer

  • Finances: Cash flow monitoring, budget forecasts, annual balance sheet. Implementation of cost accounting. Discussions with chartered accountant and statutory auditor.

  • Social management: 3 permanent employees (contract reviews, individual interviews), recruitment of temporary contracts.

  • Association: Set up of a Local Aid Scheme (DLA), development of organizational tools and practices to monitor projects, workload, costs, and volunteer activities.

2018 (8 months) – QHSE engineer – GB Ouest – Revima-APU Project – Caudebec en Caux

  • Creation of chemicals database, collective and individual protections rationalization, study of REACH exposure scenarios.

2011-2017 (6 years) – Utilities Project Manager – GB Ouest –Chevron Oronite Project – Le Havre

  • 3 years global improvement plan management, 15 projects in parallel, 1,5M€ budget per year, development and sharing of project management tools.

2010-2011 (6 months) – Process Improvement engineer – Lubrizol – Rouen

  • Management of projects oriented Hygiene Security Environment.

2010 (8 months) – Environment engineer – Petroplus – Petit Couronne Refinery

  • Monitoring and improvement of flow and performance of the refinery Waste Water Treatment Plant. Communication of indicators.

2007-2009 (1,5 year) – Process Control engineer – Lubrizol – Rouen

  • Development of statistical process analysis tools on Statgraphics, alarm dashboard.

2007 (5 months) – R&D Process engineer – Cristal-Millennium Inorganic Chemicals – Le Havre

  • Stabilization and optimization of the white gypsum unit, industrial tests, US communication.

2004-2005 (2 years) – Process Improvement engineer – Lubrizol – Rouen

  • Continuous improvement projects. Production support and project management. Analysis of nonconformities.

Permaculture

  • 2019: Permaculture Design Course – CDFP l’Escargotier, Le Havre

Music

  • 2017 & 19: Jazz singing masterclass – Jazzitudes, Lisieux

  • 10 years of musical practice in band as singer and guitarist

  • 2012-17: Monthly open mike: Lavomatic Tour

Dance

  • 2004-12: Mandingue and Sabar weekly practice – Kaï Danse, Rouen

  • 2012-14: Contemporary dance shows – Le Phare, Le Havre